.bgm-widget{position:fixed;right:24px;bottom:max(24px,env(safe-area-inset-bottom));z-index:40;font-family:var(--text);color:#f4f7f7}.bgm-widget>summary{width:50px;height:50px;display:flex;align-items:center;justify-content:center;list-style:none;cursor:pointer;background:#253b46;border-radius:50%;transition:transform .18s ease}.bgm-widget>summary::-webkit-details-marker{display:none}.bgm-widget>summary:hover{transform:translateY(-2px)}.bgm-widget.is-playing>summary{background:#793847}.bgm-panel{position:absolute;right:0;bottom:66px;width:320px;max-height:calc(100dvh - 110px);overflow-y:auto;padding:24px;background:#172a33;border-radius:24px;box-shadow:0 14px 48px #06121b38}.music-top{display:flex;align-items:center;justify-content:space-between;color:#b4c4cc;font-size:13px}.bgm-close{display:grid;place-items:center;width:32px;height:32px;margin:-8px -8px -8px 0;background:none;color:#d8e3e8;font-size:25px;cursor:pointer;border-radius:50%}.bgm-close:hover{background:#2e424c}.music-heading{margin:27px 0 24px}.music-heading #music-context{font-size:12px;color:#a9bec7;margin:0 0 8px}.music-heading #music-name{font-size:24px;font-weight:600;line-height:1.3;letter-spacing:-.035em;margin:0;min-height:62px;text-wrap:balance}.music-progress input,.music-volume input{appearance:none;-webkit-appearance:none;display:block;width:100%;height:18px;margin:0;background:transparent;cursor:pointer;--fill:0%}.music-progress input::-webkit-slider-runnable-track,.music-volume input::-webkit-slider-runnable-track{height:3px;border-radius:3px;background:#4b626e}.music-progress input::-webkit-slider-thumb,.music-volume input::-webkit-slider-thumb{appearance:none;-webkit-appearance:none;width:11px;height:11px;margin-top:-4px;border-radius:50%;background:#f3f7f8}.music-progress input::-moz-range-track,.music-volume input::-moz-range-track{height:3px;border-radius:3px;background:#4b626e}.music-progress input::-moz-range-thumb,.music-volume input::-moz-range-thumb{width:11px;height:11px;border:0;border-radius:50%;background:#f3f7f8}.music-times{display:flex;justify-content:space-between;font-size:12px;color:#a9bec7;margin-top:2px;font-variant-numeric:tabular-nums}.music-transport{display:flex;align-items:center;justify-content:center;gap:24px;margin:22px 0}.music-transport button{display:grid;place-items:center;width:40px;height:40px;background:none;color:#dfebef;cursor:pointer;border-radius:50%;transition:transform .15s ease}.music-transport button:hover{transform:scale(1.07);background:#2e424c}.music-transport svg{width:22px;height:22px;stroke:currentColor;stroke-width:1.6;fill:currentColor;stroke-linejoin:round}.music-transport #music-play{background:#edf4f5;color:#172a33;width:56px;height:56px}.music-transport #music-play svg{width:25px;height:25px;stroke-width:0}.music-bottom{display:flex;align-items:center;justify-content:space-between;font-size:11px;color:#a9bec7;gap:12px}.music-volume{display:flex;align-items:center;gap:9px;width:120px}.music-volume svg{width:17px;height:17px;flex-shrink:0;stroke:#a9bec7;fill:none;stroke-width:1.5;stroke-linejoin:round}.music-volume input{width:90px}.bgm-panel #bgm-status{font-size:13px;line-height:1.7;color:#d6e1e6;margin-top:16px}.bgm-widget button:focus-visible,.bgm-widget summary:focus-visible,.bgm-widget input:focus-visible{outline:2px solid #adc9d7;outline-offset:4px}.bgm-widget audio{display:none}@media(max-width:650px){.bgm-widget{right:16px;bottom:max(16px,env(safe-area-inset-bottom))}.bgm-panel{width:min(320px,calc(100vw - 32px));padding:24px;bottom:64px}footer{padding-bottom:84px}}@media(prefers-reduced-motion:reduce){.bgm-widget>summary,.music-transport button{transition:none}.bgm-widget>summary:hover,.music-transport button:hover{transform:none}}
.bgm-widget:not([open]) .bgm-panel{display:none}.music-heading #music-context,.music-times,.music-bottom{font-size:13px}
/* Compact soundtrack panel: shared site palette, full three-track catalogue. */
.bgm-panel{width:360px;padding:20px;border-radius:18px;overscroll-behavior:contain}
.bgm-close{width:44px;height:44px;margin:-8px -8px -8px 0;flex-shrink:0}
.music-heading{margin:20px 0 14px}.music-heading #music-name{font-size:23px;min-height:30px;text-wrap:initial}.music-transport{margin:12px 0;gap:28px}.music-transport button{width:44px;height:44px}
.music-bottom{margin-top:4px}.music-bottom button,.music-volume button{min-height:44px;background:transparent;color:#e1ebef;font:inherit;font-size:13px;cursor:pointer;padding:0 8px;border-radius:6px}.music-bottom button:hover,.music-volume button:hover{background:#2e424c}.music-bottom button[data-mode="off"]{color:#a9bec7}
.music-volume{width:100%;gap:12px;margin:2px 0 14px}.music-volume button{padding-left:0;white-space:nowrap;min-width:76px;text-align:left}.music-volume input{width:100%;min-width:0;height:44px}.music-volume>span{font-size:12px;color:#a9bec7;min-width:34px;text-align:right;font-variant-numeric:tabular-nums}
.music-playlist{border-top:1px solid #354852;padding-top:16px}.music-playlist h3{margin:0 0 8px;font-family:inherit;font-size:13px;font-weight:500;color:#b4c4cc;letter-spacing:0}.music-playlist ol{list-style:none;margin:0;padding:0}.music-playlist li{margin:0;padding:0}.music-track{display:flex;align-items:center;gap:10px;width:100%;min-height:62px;padding:10px 8px;border-radius:6px;background:transparent;text-align:left;color:#e1ebef;cursor:pointer;font:inherit}.music-track:hover,.music-track[aria-current="true"]{background:#293e48}.track-number{font-size:12px;color:#a9bec7;font-variant-numeric:tabular-nums}.track-copy{flex:1;min-width:0;display:grid;gap:4px}.track-copy strong{font-size:14px;font-weight:500;line-height:1.35}.track-copy>span{font-size:12px;line-height:1.4;color:#a9bec7}.track-state{font-size:11px;white-space:nowrap;color:#d8e3e8}.music-progress input{height:28px}
@media(max-width:650px){.bgm-panel{width:min(360px,calc(100vw - 32px));padding:20px;max-height:calc(100dvh - 100px)}}
.bgm-panel{scrollbar-width:thin;scrollbar-color:#546973 #172a33}.bgm-panel::-webkit-scrollbar{width:6px}.bgm-panel::-webkit-scrollbar-track{background:#172a33}.bgm-panel::-webkit-scrollbar-thumb{background:#546973;border-radius:6px}

.music-playlist{padding-top:8px}#music-list-toggle{display:flex;align-items:center;justify-content:space-between;width:100%;min-height:44px;padding:0;background:transparent;color:#e1ebef;font:inherit;font-size:14px;cursor:pointer}#music-list-toggle span{font-size:20px}#music-track-list[hidden]{display:none}#music-track-list:not([hidden]){margin-top:8px}

/* The catalogue slides out beside the player without changing its height. */
.music-drawer{position:absolute;right:372px;bottom:66px;width:320px;max-height:calc(100dvh - 110px);overflow-y:auto;padding:20px;background:#172a33;color:#f4f7f7;border-radius:18px;box-shadow:0 14px 48px #06121b38;overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:#546973 #172a33;animation:music-drawer-in .2s ease-out}
.music-drawer[hidden],.bgm-widget:not([open]) .music-drawer{display:none}
.music-drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}.music-drawer h3{font:inherit;font-size:15px;font-weight:500;margin:0;letter-spacing:0}.music-drawer-head button{min-height:44px;padding:0 8px;background:transparent;color:#b4c4cc;font:inherit;font-size:13px;cursor:pointer;border-radius:6px}.music-drawer-head button:hover{background:#293e48;color:#f4f7f7}.music-drawer ol{list-style:none;padding:0;margin:0}.music-drawer li{padding:0;margin:0}
@keyframes music-drawer-in{from{opacity:0;transform:translateX(18px)}to{opacity:1;transform:translateX(0)}}
@media(max-width:759px){.music-drawer{right:0;width:min(360px,calc(100vw - 48px));min-height:0;max-height:calc(100dvh - 110px)}.bgm-widget.has-track-list .bgm-panel{visibility:hidden}}
@media(max-width:650px){.music-drawer{width:min(360px,calc(100vw - 32px));bottom:64px;min-height:0;max-height:calc(100dvh - 100px)}}
@media(prefers-reduced-motion:reduce){.music-drawer{animation:none}}

/* Keep the close glyph optically and geometrically centred, independent of font metrics. */
.bgm-widget .bgm-close{display:grid;place-items:center;box-sizing:border-box;width:44px;height:44px;min-width:44px;min-height:44px;padding:0;margin:-8px -8px -8px 0;border:0;border-radius:8px;line-height:1;background:transparent;color:#b4c4cc;opacity:1;transform:none;transition:background-color .15s ease,color .15s ease}
.bgm-widget .bgm-close svg{display:block;width:20px;height:20px;margin:0;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;pointer-events:none}
.bgm-widget .bgm-close:hover,.bgm-widget .bgm-close:active{background:#253a44;color:#f4f7f7;opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.bgm-widget .bgm-close{transition:none}}

/* Replay on every disclosure opening; keep movement short and respect reduced motion. */
.bgm-widget[open] .bgm-panel{animation:music-player-in .24s cubic-bezier(.22,1,.36,1) both;transform-origin:bottom right}
@keyframes music-player-in{from{opacity:0;transform:translateY(10px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}
@media(prefers-reduced-motion:reduce){.bgm-widget[open] .bgm-panel{animation:none}}